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It is just a wire and connector. That isn't Prusa. If it was a bambu you would be buying a new printer without an upgrade path, and since a new printer came out, your old suddenly stops working right like some Apple product. Believe it or not, bambu printers have connectors, likely from the same global supplier too.
The quick fix is to remove the connector from both sides, yes the female too. Then solder the connection directly. You can add some hot glue for strain relief. You'll still likely have the other side of the connector. If not, who cares, "it just works."
I know it is a pain, and irritating, Prusa wiring is probably the weakest link. I redid pretty much every wire to make them exactly to length and routed properly when building my MK3 because it bugged me.
I would not try to crimp a new terminal properly given your admission of mechanical ability. Getting a good crimp with a small connector is tricky without experience. It would be easier to order the same connector wire precrimped and replace the end of the wire. Then do a splice a few inches higher. Or just order the parts.
If you need to replace a pin on the PCB, it MUST be done carefully or you'll lift a trace. It is a job that should be done with a full soldering station. However I could do it with a candle and a nail in a zombie apocalypse. The trick is in only barely heating the pin enough to melt the solder completely. That requires a soldering iron tip with as much heat mass as possible so that you do not need too much heat to compensate for the temp drop upon contact. If none of this makes sense, just buy the replacement parts.
Sorry for the bad day, seriously.
Thanks, i will probably end up doing this, with the help of a pro. I do find it interesting that newer revisions / replacements of the xbuddy board no longer have a series of flimsy wires- they include an actually connector on the board. compare these two screenshots of my board and the official replacement kit. It's also possible the entire white part just ripped off my board somehow and stuck to the wire.
That's exactly what I think I'm seeing here.
Yeah I confirmed it when I went back and looked at it again. It ripped about 70% of one of the pads off, which isn't great, but I tried to flow enough solder to connect to it. Unfortunately it still giving me the same error, does anyone know if there is a schematic for the buddy board available?